1.1 Proportional Relationships

Proportional Relationships

Learning Intent:  I am learning to use proportions to solve problems.

Success Criteria: I can find the missing value in a proportion.

Multiple Choice

In the fruit bowl there are 4 apples, 2 bananas, and 5 pears.  What is the ratio of pears to ALL fruit?

• 5:4
• 5:11
• 2:5
• 6:5

Multiple Choice

Solve the proportion:

• 4
• 8
• 14
• 10

​Recall that a ratio is a relationship between two quantities.
A proportion is an equation stating that two ratios are equivalent.

Math Response

Solve:

$$\frac{96}{m}=\frac{16}{7}$$  

Type answer here

Correct Answer: 42

Deg^°

Rad

Multiple Choice

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound

• $35 per pound

• $5 per pound

• $0.125 per pound

Multiple Select

1. A parking lot has 3 cars and 12 trucks. Find the ratio of cars to trucks. Select all the true ratios.

• 3 trucks : 12 cars.

• 3 cars to 12 trucks

• $$\frac{3\ cars}{12\ trucks}$$

• 3 cars to 12 trucks

Multiple Choice

12 ounce shampoo bottle lasts Mike 16 weeks.  How long would you expect an 18-ounce bottle of the same brand to last him?

• 24 weeks
• 6 weeks
• 30 weeks
• 20 weeks

Multiple Choice

A tree is 12 feet tall and casts a shadow 9 feet long. A building nearby casts a shadow that measures 24 feet. How tall is the building? (Draw a picture, set up a proportion)

• 24 feet
• 21 feet
• 27 feet
• 32 feet

Multiple Choice

At the same time a 6 foot person casts a 2 foot shadow, a nearby flagpole casts a ten foot shadow.  How tall is the flagpole?

• 3 feet
• 10 feet
• 16 feet
• 30 feet

Multiple Choice

If a car travels 280 miles in 7 hours, how far will it travel in 12 hours?

• 480 miles

• 1,960 miles

• 84 miles

• 25 miles

Multiple Choice

A shop produces 39 wetsuits every 2 weeks.  How long will it take the shop to produce 429 wetsuits?

• 18 wk
• 20 wk
• 22 wk
• 24 wk